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Silver 3.5 inch internal hard drive with green label

Western Digital

Western Digital WD10PURZProduct Purple 1 TB 3.5" SATA 64 MB 5400 rpm

SKU CH-B1F8-NM1BP MPN WD10PURZProduct

1 TB CMR surveillance drive with 64 MB buffer and 5400 rpm spindle speed for continuous NVR recording

  • 1 TB capacity supports continuous surveillance recording
  • 5400 rpm spindle speed balances performance and power efficiency
  • 64 MB cache improves data throughput for multiple video streams
  • 5 inch form factor fits standard desktop drive bays
  • SATA 600 interface enables straightforward installation in NVRs

Surveillance Storage

The WD Purple 1 TB drive is built for network video recorders that write continuously. Its firmware prioritises sustained sequential writes over random access, so footage from multiple cameras lands on the platter without frame drops.

Capacity and Headroom

One terabyte holds roughly ten days of 1080p video from four cameras at standard bit-rates. The 64 MB buffer smooths short bursts, yet the 5400 rpm spindle limits sustained throughput, so very high-bitrate or many-stream setups will saturate the drive before the SATA link does.

SATA 600 Interface Limit

The SATA 600 interface caps transfer at 600 MB/s, but the mechanical media delivers well below that ceiling. Sequential reads top out near the drive’s own media rate, while random I/O stalls at the rotational latency. Builders needing faster scrub or multi-array rebuilds must accept this hard boundary.

Points forts

  • 1 TB capacity supports continuous surveillance recording
  • 5400 rpm spindle speed balances performance and power efficiency
  • 64 MB cache improves data throughput for multiple video streams
  • 5 inch form factor fits standard desktop drive bays
  • SATA 600 interface enables straightforward installation in NVRs

Caractéristiques

BrandWestern Digital

Questions sur cet article

Will this 1 TB SATA/600 drive work in my older NVR that only has SATA ports?

Yes, the SATA/600 interface is backward-compatible with earlier SATA revisions used in most NVRs, so the drive will communicate at the highest speed both devices support.

How can I confirm the drive is operating correctly after installing it in my recorder?

The recorder should detect the full 1 TB capacity and show the drive status as healthy; running the NVR's built-in SMART test will verify the CMR media and 64 MB buffer are functioning.

Does the retail box include a SATA data cable and mounting screws, or must I buy them separately?

Packing varies between retail and OEM shipments; the drive itself is supplied, but cables and screws are not guaranteed, so plan to source a SATA data cable and 3.5″ mounting hardware if your chassis lacks them.

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